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All Journal JISI UMJ (Jurnal Integrasi Sistem Industri UMJ) JKIE (Journal Knowledge Industrial Engineering)
Prasetya, Reihan Rafly
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Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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ANALISIS PENGARUH PARAMETER MESIN CNC FLAME CUTTING TERHADAP KUALITAS PEMOTONGAN BAJA SS400 MENGGUNAKAN METODE TAGUCHI Prasetya, Reihan Rafly; Tranggono, Tranggono; Condro Winursito, Yekti
JISI: Jurnal Integrasi Sistem Industri Vol. 12 No. 2 (2025): JISI UMJ
Publisher : Fakultas teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jisi.12.2.249-258

Abstract

Pengaturan parameter proses yang tepat dalam proses CNC Flame Cutting sangat berpengaruh terhadap kualitas hasil pemotongan. Dalam praktik industri, kualitas hasil potongan terutama kekasaran permukaan dan ketidakakuratan dimensi menjadi perhatian utama. Permukaan yang terlalu kasar dapat menyulitkan proses penyambungan pelat dan menurunkan kualitas sambungan, sedangkan ketidaksesuaian dimensi dapat berdampak pada efisiensi biaya serta waktu pemesinan. Oleh karena itu, perusahaan sangat menekankan pentingnya kualitas pemotongan yang optimal dan stabil dalam setiap proses produksi. Penelitian ini bertujuan menganalisis pengaruh parameter mesin CNC Flame Cutting terhadap kualitas pemotongan baja SS400 menggunakan metode Taguchi. Parameter yang diteliti meliputi kecepatan potong, tekanan gas, dan tekanan oksigen. Desain eksperimen menggunakan orthogonal array L9 (3³) dan hasilnya dianalisis dengan rasio sinyal terhadap noise serta ANOVA. Hasil menunjukkan bahwa kombinasi optimal untuk meminimalkan ketidakakuratan dimensi adalah kecepatan potong 312 mm/menit, tekanan gas 4 bar, dan tekanan oksigen 6 bar. Sedangkan untuk kekasaran permukaan, kombinasi terbaik adalah kecepatan potong 431 mm/menit, tekanan gas 5 bar, dan tekanan oksigen 5 bar. Tekanan gas menjadi faktor yang berpengaruh paling dominan dalam memengaruhi hasil pemotongan terhadap ketidakakuratan dimensi dan kekasaran permukaan.
Analysis on Effects of Process Parameters CNC Flame Cutting on Dimensional Inaccuracy Using Taguchi Method and ANOVA Prasetya, Reihan Rafly; Tranggono
Journal Knowledge Industrial Engineering (JKIE) Vol 12 No 1 (2025): JKIE (Journal Knowledge Industrial Engineering)
Publisher : Department of Industrial Engineering - Universitas Yudharta Pasuruan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35891/jkie.v12i1.5892

Abstract

Carbon steel is a primary material in various engineering applications that require cutting accuracy to maintain product quality. Advances in flame cutting technology in the manufacturing industry highlight the importance of understanding proper parameter settings. Incorrect parameter adjustments can lead to inaccuracy, material defects, and increased operational costs. In this study, the Taguchi method combined with ANOVA will be used to optimize dimensional inaccuracy in the CNC flame cutting process on SS400 steel plates. The effects of variations in cutting parameters, including cutting speed, gas pressure, and oxygen pressure, on the dimensional inaccuracy of the cut were identified. The analysis results show that gas pressure is the most influential parameter, with a contribution of 86.31%, followed by cutting speed at 6.06% and oxygen pressure at 2.42%. The optimal parameter combination for minimizing dimensional inaccuracy was found at a cutting speed of 319 mm/min, gas pressure of 4 bar, and oxygen pressure of 6 bar. These findings highlight the importance of adjusting gas pressure to improve cutting accuracy and reduce operational costs and time at PT XYZ.
Co-Authors Condro Winursito, Yekti Tranggono Tranggono Tranggono